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authorReinUsesLisp <reinuseslisp@airmail.cc>2018-12-18 01:14:25 +0100
committerReinUsesLisp <reinuseslisp@airmail.cc>2019-01-15 21:54:52 +0100
commite8235c0215d51236c5b968de971435b7cf74dc81 (patch)
tree5e9bc0ac44ad3c6e4e0648139f25478444eb5eb2 /src/video_core
parentshader_decode: Implement BRA internal flag (diff)
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Diffstat (limited to 'src/video_core')
-rw-r--r--src/video_core/shader/decode/conversion.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/video_core/shader/decode/conversion.cpp b/src/video_core/shader/decode/conversion.cpp
index 82fe5e21a..b823b6119 100644
--- a/src/video_core/shader/decode/conversion.cpp
+++ b/src/video_core/shader/decode/conversion.cpp
@@ -18,6 +18,32 @@ u32 ShaderIR::DecodeConversion(BasicBlock& bb, u32 pc) {
const auto opcode = OpCode::Decode(instr);
switch (opcode->get().GetId()) {
+ case OpCode::Id::I2I_R: {
+ UNIMPLEMENTED_IF(instr.conversion.selector);
+
+ const bool input_signed = instr.conversion.is_input_signed;
+ const bool output_signed = instr.conversion.is_output_signed;
+
+ Node value = GetRegister(instr.gpr20);
+ value = ConvertIntegerSize(value, instr.conversion.src_size, input_signed);
+
+ value = GetOperandAbsNegInteger(value, instr.conversion.abs_a, instr.conversion.negate_a,
+ input_signed);
+ if (input_signed != output_signed) {
+ value = SignedOperation(OperationCode::ICastUnsigned, output_signed, NO_PRECISE, value);
+ }
+
+ SetRegister(bb, instr.gpr0, value);
+
+ if (instr.generates_cc) {
+ const Node zero_condition =
+ SignedOperation(OperationCode::LogicalIEqual, output_signed, value, Immediate(0));
+ SetInternalFlag(bb, InternalFlag::Zero, zero_condition);
+ LOG_WARNING(HW_GPU, "I2I Condition codes implementation is incomplete.");
+ }
+
+ break;
+ }
case OpCode::Id::I2F_R:
case OpCode::Id::I2F_C: {
UNIMPLEMENTED_IF(instr.conversion.dest_size != Register::Size::Word);